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Sacco A, Bella F, De La Pierre S, et al. Electrodes/electrolyte interfaces in the presence of a surface-modified photopolymer electrolyte: application in dye-sensitized solar cells. Chemphyschem. 2015;16(5):960-9doi: 10.1002/cphc.201402891.
Sacco, A., Bella, F., De La Pierre, S., Castellino, M., Bianco, S., Bongiovanni, R., & Pirri, C. F. (2015). Electrodes/electrolyte interfaces in the presence of a surface-modified photopolymer electrolyte: application in dye-sensitized solar cells. Chemphyschem : a European journal of chemical physics and physical chemistry, 16(5), 960-9. https://doi.org/10.1002/cphc.201402891
Sacco, Adriano, et al. "Electrodes/electrolyte interfaces in the presence of a surface-modified photopolymer electrolyte: application in dye-sensitized solar cells." Chemphyschem : a European journal of chemical physics and physical chemistry vol. 16,5 (2015): 960-9. doi: https://doi.org/10.1002/cphc.201402891
Sacco A, Bella F, De La Pierre S, Castellino M, Bianco S, Bongiovanni R, Pirri CF. Electrodes/electrolyte interfaces in the presence of a surface-modified photopolymer electrolyte: application in dye-sensitized solar cells. Chemphyschem. 2015 Apr 07;16(5):960-9. doi: 10.1002/cphc.201402891. Epub 2015 Feb 09. PMID: 25677499.
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Chemphyschem. 2015 Apr 07;16(5):960-9. doi: 10.1002/cphc.201402891. Epub 2015 Feb 09.

Electrodes/electrolyte interfaces in the presence of a surface-modified photopolymer electrolyte: application in dye-sensitized solar cells.

Chemphyschem : a European journal of chemical physics and physical chemistry

Adriano Sacco, Federico Bella, Stefano De La Pierre, Micaela Castellino, Stefano Bianco, Roberta Bongiovanni, Candido Fabrizio Pirri

Affiliations

  1. Center for Space Human Robotics @Polito, Istituto Italiano di Tecnologia, Corso Trento 21, 10129 Torino (Italy). [email protected].

PMID: 25677499 DOI: 10.1002/cphc.201402891

Abstract

Since hundreds of studies on photoanodes and cathodes show that the electrode/electrolyte interfaces represent a key aspect at the base of dye-sensitized solar cell (DSSC) performances, it is reported here that these interfaces can be managed by a smart design of the spatial composition of quasi-solid electrolytes. By means of a cheap, rapid, and green process of photoinduced polymerization, composition-tailored polymer electrolyte membranes (PEMs) with siloxane-enriched surfaces are prepared, and their properties are thoroughly described. When assembled in DSSCs, the interfacial action promoted by the composition-tailored PEMs enhances the photocurrent and fill factor values, thus increasing the global photovoltaic conversion efficiency with respect to the non-modified PEMs. Moreover, the presence of the siloxane-chain-enriched surface increases the hydrophobicity and reduces the water vapor permeation into the device, thus enhancing the cell's durability.

© 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

Keywords: electrochemical impedance spectroscopy; electrodes/electrolyte interfaces; energy conversion; membranes; polymerization

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